Does it need an audio file?

No. It is a theory reference, so it works without loading anything.

Which scales and modes are covered?

Major and natural minor, plus the modes and the harmonic and melodic minor families, in every key.

Does it show seventh chords?

Yes. Switch the chord view between triads and sevenths.

Yes. The copy action returns the visible scale and chord data as text.

Is this connected to Key Finder?

Yes. A key detected in Key Finder can be opened here to see its chords and progressions.

Scale & Chord Finder

Explore scales, diatonic chords, progressions and pitch classes from one theory plate.

Selection

Root

Family

Chords

Scale plate

tonic

CC♯DD♯EFF♯GG♯AA♯B

Reading

Scale

A minor

Camelot

Notes

A B C D E F G

Relative

C major

Degrees

Cadence

Em → Am

Diatonic chords

Degree	Chord	Function
i	Am	tonic
ii°	Bdim	subdominant
III	C	tonic
iv	Dm	subdominant
v	Em	dominant
VI	F	tonic
VII	G	dominant

Every chord is computed from the selected scale, degree by degree.

Progressions

i–VI–III–VII

Am – F – C – G

i–iv–v–i

Am – Dm – Em – Am

VI–VII–i

F – G – Am

i–VII–VI–VII

Am – G – F – G

ii°–v–i

Bdim – Em – Am

Progressions are printed in the selected key and copy as plain text.

Send to →Chord Detector Key Finder Harmonic Mixing

Where this usually goes next

Stems notice

Get notified when stem separation launches

Share result

skeletune.app/r/scale

Export plate

Skeletune

Specimen plate

2026-08-25

visual preview